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git-gui: allow reverting selected hunk

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Just like the user can select a hunk to stage or unstage, add the
ability to revert hunks.

Signed-off-by: Pratyush Yadav <me@yadavpratyush.com>
This commit is contained in:
Pratyush Yadav 2019-08-18 00:01:43 +05:30
parent 5f0a516de9
commit 62bd99934b
2 changed files with 29 additions and 6 deletions
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14
git-gui.sh
View File

@ -3582,7 +3582,7 @@ set ctxm .vpane.lower.diff.body.ctxm
menu $ctxm -tearoff 0
$ctxm add command \
-label [mc "Apply/Reverse Hunk"] \
-command {apply_hunk $cursorX $cursorY}
-command {apply_or_revert_hunk $cursorX $cursorY 0}
set ui_diff_applyhunk [$ctxm index last]
lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
$ctxm add command \
@ -3591,6 +3591,11 @@ $ctxm add command \
set ui_diff_applyline [$ctxm index last]
lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
$ctxm add separator
$ctxm add command \
-label [mc "Revert Hunk"] \
-command {apply_or_revert_hunk $cursorX $cursorY 1}
set ui_diff_reverthunk [$ctxm index last]
lappend diff_actions [list $ctxm entryconf $ui_diff_reverthunk -state]
$ctxm add command \
-label [mc "Revert Line"] \
-command {apply_or_revert_range_or_line $cursorX $cursorY 1; do_rescan}
@ -3691,6 +3696,8 @@ proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
if {$::ui_index eq $::current_diff_side} {
set l [mc "Unstage Hunk From Commit"]
set h [mc "Revert Hunk"]
if {$has_range} {
set t [mc "Unstage Lines From Commit"]
set r [mc "Revert Lines"]
@ -3700,6 +3707,8 @@ proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
}
} else {
set l [mc "Stage Hunk For Commit"]
set h [mc "Revert Hunk"]
if {$has_range} {
set t [mc "Stage Lines For Commit"]
set r [mc "Revert Lines"]
@ -3734,6 +3743,9 @@ proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
$ctxm entryconf $::ui_diff_applyline -state $s -label $t
$ctxm entryconf $::ui_diff_revertline -state $revert_state \
-label $r
$ctxm entryconf $::ui_diff_reverthunk -state $revert_state \
-label $h
tk_popup $ctxm $X $Y
}
}

21
lib/diff.tcl
View File

@ -567,24 +567,31 @@ proc read_diff {fd conflict_size cont_info} {
}
}
proc apply_hunk {x y} {
proc apply_or_revert_hunk {x y revert} {
global current_diff_path current_diff_header current_diff_side
global ui_diff ui_index file_states
if {$current_diff_path eq {} || $current_diff_header eq {}} return
if {![lock_index apply_hunk]} return
set apply_cmd {apply --cached --whitespace=nowarn}
set apply_cmd {apply --whitespace=nowarn}
set mi [lindex $file_states($current_diff_path) 0]
if {$current_diff_side eq $ui_index} {
set failed_msg [mc "Failed to unstage selected hunk."]
lappend apply_cmd --reverse
lappend apply_cmd --reverse --cached
if {[string index $mi 0] ne {M}} {
unlock_index
return
}
} else {
set failed_msg [mc "Failed to stage selected hunk."]
if {$revert} {
set failed_msg [mc "Failed to revert selected hunk."]
lappend apply_cmd --reverse
} else {
set failed_msg [mc "Failed to stage selected hunk."]
lappend apply_cmd --cached
}
if {[string index $mi 1] ne {M}} {
unlock_index
return
@ -619,13 +626,17 @@ proc apply_hunk {x y} {
$ui_diff delete $s_lno $e_lno
$ui_diff conf -state disabled
# Check if the hunk was the last one in the file.
if {[$ui_diff get 1.0 end] eq "\n"} {
set o _
} else {
set o ?
}
if {$current_diff_side eq $ui_index} {
# Update the status flags.
if {$revert} {
set mi [string index $mi 0]$o
} elseif {$current_diff_side eq $ui_index} {
set mi ${o}M
} elseif {[string index $mi 0] eq {_}} {
set mi M$o